#433AB4#433AB4

#433AB4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.9% C 0.185 H 278.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#433AB4
RGB	rgb(67, 58, 180)
HSL	hsl(244, 51%, 47%)
HSV	hsv(244, 68%, 71%)
CMYK	cmyk(62.8%, 67.8%, 0%, 29.4%)
CIE-LAB	lab(32.95, 40.29, -63.45)
CIE-LCH	lch(32.95, 75.16, 302.41°)
OKLab	oklab(43.9% 0.0284 -0.1829)
OKLCH	oklch(43.9% 0.185 278.8)
XYZ	xyz(12.0634, 7.5138, 43.9858)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#433AB4 #ABB43A

analogous

#3A6EB4 #433AB4 #803AB4

triadic

#433AB4 #B4433A #3AB443

tetradic

#433AB4 #B43A6E #ABB43A #3AB480

square

#433AB4 #B43A6E #ABB43A #3AB480

split-complementary

#433AB4 #B4803A #6EB43A

monochromatic

#211C57 #322B86 #433AB4 #6860CC #948EDB

Accessibility & contrast

On white

8.39

#433AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#433AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #433AB4

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##433AB4	#FFFFFF	#000000	##FFFFFF
##433AB4	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #433ab4;
/* rgb */ color: rgb(67, 58, 180);
/* oklch */ color: oklch(43.9% 0.185 278.8);

Tailwind

colors: {
  custom: {
    50: '#8471cb',
    500: '#433ab4',
    950: '#000000',
  },
}

SCSS

$custom: #433ab4;
$custom-light: #8471cb;
$custom-dark: #000000;

JSON

{
  "hex": "#433ab4",
  "rgb": {
    "r": 67,
    "g": 58,
    "b": 180
  },
  "hsl": {
    "h": 244.426,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43898,
    "c": 0.18513,
    "h": 278.8
  },
  "luminance": 0.07515
}

Semantic roles & 50–950 ramp

primary

#433AB4

secondary

#C0C585

accent

#DB4DD0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #433AB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →